Vulnerability details

CVE-2025-7747

Tenda FH451

Tenda FH451 POST Request WizardHandle fromWizardHandle buffer overflow

CVSS 4.0

8.7High

Official description

A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. This affects the function fromWizardHandle of the file /goform/WizardHandle of the component POST Request Handler. The manipulation of the argument PPW leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

CVSS scores

Score	Version	Source	Vector
8.7High	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P`
8.8High	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R`
8.8High	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R`
9.0High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR`

Affected products

Vendor	Product	Versions	Source
Tenda	FH451	1.0.0.9	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/?id.316737 vdb-entrytechnical-description
https://vuldb.com/?ctiid.316737 signaturepermissions-required
https://vuldb.com/?submit.615487 third-party-advisory
https://github.com/zezhifu1/cve_report/blob/main/FH451/fromWizardHandle.md#payload exploit
https://www.tenda.com.cn/ product
https://github.com/zezhifu1/cve_report/blob/main/FH451/fromWizardHandle.md related

Kolun on Telegram @kolunsec Exploited CVEs, key news and a daily digest Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.

Details

Published: 2025-07-17
Last updated: 2025-07-17
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

1.01%

Probability of exploitation in 30 days

63.3%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-120
Buffer Overflow
CWE-119
Memory Corruption